Andrew Georgiou

Andrew Georgiou
Macquarie University · Australian Institute of Health Innovation

PhD
Currently looking at electronic general practice data to monitor the impact of COVID-19

About

333
Publications
74,145
Reads
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5,321
Citations
Introduction
Andrew Georgiou is a Professor of Diagnostic Informatics at the Centre for Health Systems and Safety Research, part of the Australian Institute of Health Innovation, Macquarie University. He has a broad range of research interests and has published widely in the areas of aged care, pathology and health informatics, evaluation, quality of care and health outcomes measurement. Andrew is currently an Associate Editor of the International Journal of Medical Informatics and co-Chair of the International Medical Informatics Association Working Group on Technology Assessment and Quality Development.
Additional affiliations
August 2010 - October 2014
UNSW Sydney
Position
  • Professor (Associate)

Publications

Publications (333)
Article
Full-text available
Background: Pneumonia is one of the leading causes of mortality and morbidity worldwide. Microbiology tests play a critical role in the diagnosis of pneumonia. Our study aimed to determine microbiology result reporting times and evaluate their association with outcomes of adult patients (≥18 years) hospitalised with pneumonia. Methods: This is a...
Article
Full-text available
Background Increasing both the frequency and quality of social interactions within treatments for anxiety and depressive disorders in older adults may improve their mental health outcomes and quality of life. This study aims to evaluate the clinical efficacy and cost utility of an enhanced cognitive behavioural therapy (CBT) plus social participati...
Chapter
Communication between patients and hospital staff is a vital part of patient satisfaction and can contribute to better healthcare outcomes. Especially in emergency departments, where the workload is high, it is difficult to always address the communication needs of patients. In a qualitative study, we interviewed 32 patients in emergency department...
Article
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Objectives: Patient portals are increasingly implemented to improve patient involvement and engagement. We here seek to provide an overview of ways to mitigate existing concerns that these technologies increase inequity and bias and do not reach those who could benefit most from them. Methods: Based on the current literature, we review the limitati...
Article
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Introduction: Our earlier analysis during the COVID-19 surges in 2020 showed a reduction in general practitioner (GP) in-person visits to residential aged care facilities (RACFs) and increased use of telehealth. This study assessed how sociodemographic characteristics affected telehealth utilisation. Methods: This retrospective cohort consists o...
Article
Background: People who live in aged care homes have high rates of illness and frailty. Providing evidence-based care to this population is vital to ensure the highest possible quality of life. This study (CareTrack Aged, CT Aged) aimed to develop a comprehensive set of clinical indicators for guideline-adherent, appropriate care of commonly manage...
Article
Background The Australian government introduced temporary government-subsidised telehealth service items (phone and video-conference) in mid-March 2020 in response to the COVID-19 pandemic. The uptake of telehealth by type 2 diabetes (T2DM) patients for consulting with General Practitioners (GPs) is unknown. Aim To evaluate the uptake of telehealt...
Preprint
Objectives Gout, a common form of arthritis, can be successfully controlled with pharmacotherapy and thus an ideal model for examining chronic disease management. Our aim was to examine treatment of gout evaluated in accordance with general management guidelines for gout as applied to Australian residential aged care facilities (RACFs).Methods Elec...
Article
Histopathologists make diagnostic decisions that are thought to be based on pattern recognition, likely informed by cue-based associations formed in memory, a process known as cue utilisation. Typically, the cases presented to the histopathologist have already been classified as ‘abnormal’ by clinical examination and/or other diagnostic tests. This...
Article
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Background Since the World Health Organisation declared COVID-19 a pandemic on 11 March 2020, health technologies have been rapidly scaled up to ensure access to care. A significant innovation has been telehealth in general practice. Now widespread, it remains unknown how this shift to virtual care has impacted on quality-of-care indicators such as...
Article
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Background There has been a precipitous rise telehealth use in general practice during the COVID-19 pandemic. Understanding differences between face-to-face and telehealth consulting is an important component for planning the future use of telehealth services beyond the pandemic. However, there is limited evidence on whether telehealth consulting i...
Article
Objective Suboptimal design of health information technology (IT) systems can lead to the introduction of errors in the diagnostic process. We aimed to identify mechanisms that can affect the safety and effectiveness of these systems in hospital settings thus contributing to the building of an explicit and replicable understanding of the variables...
Article
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Objective Adverse incident research within residential aged care facilities (RACFs) is increasing and there is growing awareness of safety and quality issues. However, large-scale evidence identifying specific areas of need and at-risk residents is lacking. This study used routinely collected incident management system data to quantify the types an...
Article
Social participation is critical to the health and well‐being of older adults, however, participation often declines with age. Research has identified that personal and environmental factors such as high socioeconomic status and accessible transportation are associated with higher levels of social participation. However, the barriers and facilitato...
Article
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Background Health systems around the world have been forced to make choices about how to prioritize care, manage infection control and maintain reserve capacity for future disease outbreaks. Primary healthcare has moved into the front line as COVID-19 testing transitions from hospitals to multiple providers, where tracking testing behaviours can be...
Article
Full-text available
Introduction: Up to one-third of laboratory tests ordered in the ED for adults presenting with undifferentiated chest pain are generally not indicated by current Australian guidelines. This study set out to undertake a qualitative investigation of clinician perceptions to identify the reasons for variations in pathology requesting. Methods: For...
Article
Objectives: The size and type of older adults’ social networks is associated with health, mental and social outcomes. Investigators within many disciplines are now measuring social networks, but it is not always clear what they are assessing, or which measures may best meet their objectives. To undertake a systematic review to identify (i) social n...
Preprint
Full-text available
Background: Pneumonia is one of the leading causes of mortality and morbidity worldwide. Microbiology tests play a critical role in the diagnosis of pneumonia. Our study aimed to determine microbiology result reporting times and evaluate its association with outcomes of adult patients (≥18 years) hospitalized with pneumonia. Methods: A 3-year (2016...
Article
Full-text available
Introduction There is a clear need for improved care quality and quality monitoring in aged care. Aged care providers collect an abundance of data, yet rarely are these data integrated and transformed in real-time into actionable information to support evidence-based care, nor are they shared with older people and informal caregivers. This protocol...
Article
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Background and objective Serum iron results are not indicative of iron deficiency yet may be incorrectly used to diagnose iron deficiency instead of serum ferritin results. Our objective was to determine the association between serum iron test results and iron-deficiency diagnosis in children by general practitioners. Design, setting, patients and...
Article
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Background Measuring person-centred outcomes and using this information to improve service delivery is a challenge for many care providers. We aimed to identify predictors of QoL among older adults receiving community-based aged care services and examine variation across different community care service outlets. Methods A retrospective sample of 1...
Technical Report
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The primary objective of this Snapshot is to examine the impact of the COVID-19 pandemic on the number of mammograms and cervical screening tests using general practice data obtained from the POLAR platform. We compared our results with the national screening program data reported by the Australian Institute of Health and Welfare (AIHW)
Article
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Diagnostic investigations (pathology laboratory and medical imaging) aim to: increase certainty of the presence or absence of disease by supporting the process of differential diagnosis; support clinical management; and monitor a patient's trajectory (e. g., disease progression or response to treatment). Digital health can be defined as the collect...
Article
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Background Assessing the accuracy of diagnostic coding is essential to ensure the validity and reliability of administrative coded data. The aim of the study was to evaluate the accuracy of assigned International Classification of Diseases version 10-Australian Modification (ICD-10-AM) codes for influenza by comparing with patients’ results of thei...
Article
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Background As a major public health crisis, the novel coronavirus disease 2019 (COVID-19) pandemic demonstrates the urgent need for safe, effective, and evidence-based implementations of digital health. The urgency stems from the frequent tendency to focus attention on seemingly high promising digital health interventions despite being poorly valid...
Article
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Objectives: To highlight the role of technology assessment in the management of the COVID-19 pandemic. Method: An overview of existing research and evaluation approaches along with expert perspectives drawn from the International Medical Informatics Association (IMIA) Working Group on Technology Assessment and Quality Development in Health Informat...
Article
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Background: Influenza is a highly contagious respiratory virus with clinical impacts on patient morbidity, mortality and hospital bed management. The effect of rapid nucleic acid testing (RPCR) in comparison to standard multiplex PCR (MPCR) diagnosis in treatment decisions is unclear. This study aimed to determine whether RPCR influenza testing in...
Article
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Study objective Laboratory test use varies across emergency departments (EDs), yet little is known about the effect of this variation on outcomes. The aim of this study is 2-fold: to stratify EDs into clusters based on similar test use, and to determine whether the clusters differ in patient operational outcomes among patients presenting to EDs wit...
Preprint
Full-text available
Background Measuring person-centred outcomes and using this information to improve service delivery is a challenge for many care providers. We aimed to identify predictors of QoL among older adults receiving community-based aged care services and examine variation across different community care service outlets. Methods A retrospective sample of 11...
Article
Full-text available
Study objective Abdominal pain and chest pain are leading reasons for emergency department (ED) presentations, with laboratory tests frequently ordered to aid the diagnostic process. Our study aims to identify EDs with outlying laboratory ordering practices for patients presenting with undifferentiated abdominal pain and chest pain. Methods This w...
Article
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Objective This research was designed to test whether behavioral indicators of pathology-related cue utilization were associated with performance on a diagnostic task. Background Across many domains, including pathology, successful diagnosis depends on pattern recognition that is supported by associations in memory in the form of cues. Previous stu...
Technical Report
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This Snapshot is part of a series of reports we will be releasing, aiming to identify emerging trends related to COVID-19, its diagnosis, treatment and impact on patients. This General Practice Snapshot aims to quantify the impact of the pandemic on pathology testing in general practice by comparing test volumes before, during and after the first a...
Article
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Background Clinical practice guidelines emphasise the role of regular monitoring of glycated haemoglobin A1c (HbA1c) for patients with type 2 diabetes, with most recommending 6-monthly testing. Nonetheless, there are few in-depth studies evaluating the clinical impact of the recommended testing frequency for patients to underpin the significance of...
Article
Objectives To investigate the communication processes involving test-related information in Australian Emergency Departments (EDs); specifically what and how ED clinicians communicate test-related information to patients, what patients know and understand about the provided information, and how patients view the potential to access their test-resul...
Preprint
Full-text available
Background: Health systems around the world have been forced to make choices about how to prioritise care, manage infection control and maintain reserve capacity for future disease outbreaks. Primary health care has moved into the frontline as COVID-19 testing transitions from hospitals to multiple providers, where tracking testing behaviours can b...
Article
Full-text available
Background Repeat Liver Function Tests (LFTs) are often necessary for monitoring purposes, but retesting within a short‐time‐interval may suggest potentially redundant repeat test (PRRT) ordering practices. We aimed to determine the proportion of potentially redundant repeat LFT ordering and identify associated factors in hospitals. Methods A 5‐ye...
Preprint
Full-text available
Background: Health systems around the world have been forced to make choices about how to prioritise care, manage infection control and maintain reserve capacity for future disease outbreaks. Primary health care has moved into the frontline as COVID-19 testing transitions from hospitals to multiple providers, where tracking testing behaviours can b...
Article
Full-text available
Background Missed test‐results and failure to follow‐up test‐results are major patient safety concerns. Strategies to improve test‐results management have predominantly focused on clinician‐based interventions, with patients principally involved in studies of test‐result communication preferences, the impact of patient portals or experiences with r...
Article
Objective The aim of this study was to quantify the work activities of community aged care case managers and assess changes following consumer-directed policy reforms. MethodsA longitudinal, time and motion study was performed, with direct observation (n=339h) of case managers undertaking work in the office or in the community. We compared the dist...
Article
Background: The appropriateness of the use of blood transfusion in patients with acute coronary syndromes (ACS) remains contested. In general, studies addressing this issue were based on data from clinical trials, registries, or electronic medical records, and were conducted across different settings. Our study aimed to use a linked patient blood...
Preprint
Full-text available
BACKGROUND Influenza is a highly contagious respiratory virus with clinical impacts on patient morbidity, mortality and hospital bed management. The effect of rapid nucleic acid testing (RPCR) in comparison to standard multiplex PCR (MPCR) diagnosis in treatment decisions is unclear. This study aimed to determine whether RPCR influenza testing in c...
Article
Full-text available
Low serum ferritin is diagnostic of iron deficiency, yet its published lower cut-off values are highly variable, particularly for pediatric populations. Lower cut-off values are commonly reported as 2.5th percentiles, and is based on the variation of ferritin values in the population. Our objective was to determine whether a functional approach bas...
Article
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Background: The number of older Australians using aged care services is increasing, yet there is an absence of reliable data on their health. Multimorbidity in this population has not been well described. A clear picture of the health status of people using aged care is essential for informing health practice and policy to support evidence-based,...
Article
Residents in Australian aged care facilities can suffer serious preventable harm from incidents (‘adverse events’ (AEs)). An inadequate response to AEs by aged care facilities can compound distress to residents and their families/carers. Facilities have an obligation to respond to and investigate AEs involving residents, learn from them, and take a...
Article
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Introduction Variation in test ordering is a major issue in Australia and globally with significant financial and clinical impacts. There is currently a lack of research identifying and remediating variation in the use of pathology tests in emergency departments (EDs). In 2019, NSW Health Pathology introduced the Pathology Atlas of Variation that u...
Article
Background Transdermal medication patches have caused serious adverse events in residential aged care facilities (RACFs). Preliminary research suggests that facilities are using a workaround consisting of manually entered reminders in their electronic medication administration records (eMARs) to prompt staff to check and remove patches, because the...
Article
Full-text available
Background: Internationally, point prevalence surveys are the main source of antibiotic use data in residential aged care (RAC). Our objective was to describe temporal trends in antibiotic use and antibiotics flagged for restricted use, resident characteristics associated with use, and variation in use by RAC home, using electronic health record d...
Article
Falls are the leading cause of injury and hospitalisation for older adults (aged 65 years or older) worldwide. Data collected by community aged care providers are an underutilised source of information about precipitating risk factors and consequences of falls for older adults living in the community. The objective of this longitudinal, observation...
Article
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Background: Drug-laboratory (lab) interactions (DLIs) are a common source of preventable medication errors. Clinical decision support systems (CDSSs) are promising tools to decrease such errors by improving prescription quality in terms of lab values. However, alert fatigue counteracts their impact. We aimed to develop a novel user-friendly, evide...
Article
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Background Molecular assays based on reverse transcription‐polymerase chain reaction (RT‐PCR) provide reliable results for the detection of respiratory pathogens, although diagnostic agreement varies. This study determined the agreement between the RT‐PCR assays (Xpert® Flu/RSV vs Allplex™ RP1) in detecting influenza A, influenza B, and respiratory...
Article
Full-text available
Aged care services have the potential to support social participation for the growing number of adults aging at home, but little is known about the types of social activities older adults in community care are engaged in. We used cluster analysis to examine the current profiles of social participation across seven domains in 1,114 older Australians...
Article
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Objective: The management and follow-up of diagnostic test results is a major patient safety concern. The aim of this qualitative study was to explore how clinicians manage test results on an everyday basis (work-as-done) in a health information technology-enabled emergency department setting. The objectives were to identify (1) variations in work...
Article
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Background: Electronic personal health records (ePHRs) are defined as electronic applications through which individuals can access, manage, and share health information in a private, secure, and confidential environment. Existing evidence shows their benefits in improving outcomes, especially for chronic disease patients. However, their use has no...
Preprint
Full-text available
Background: Electronic personal health records (ePHRs) are defined as electronic applications through which individuals can access, manage, and share health information in a private, secure, and confidential environment. Existing evidence shows their benefits in improving outcomes, especially for chronic disease patients. However, their use has not...
Article
Full-text available
Background: The inadequate follow-up of test results is a key patient safety concern, carrying severe consequences for care outcomes. Patients discharged from the emergency department are at particular risk of having test results pending at discharge due to their short lengths of stay, with many hospitals acknowledging that they do not have reliab...
Article
Full-text available
Background Despite the importance of pathology testing in diagnosis and disease monitoring, there is little in-depth research about pathology test ordering in general practice and how it impacts patient outcomes. This is in part due to the limited availability of high-quality data. With the now-widespread use of electronic software in general pract...
Article
We sought (a) an inductive understanding of patient and clinician perspectives and experiences of the communication of diagnostic test information and (b) a normative understanding of the management of uncertainty that occurs during the clinical encounter in emergency care. Between 2016 and 2018, 58 interviews were conducted with patients and nursi...
Article
Objectives Social engagement has been linked to preserved cognitive functioning in later life. Yet, little is known about the specific network factors that best predict cognitive function in older adults. This study aimed to (i) characterize the quality and quantity of interpersonal relationships and (ii) explore the relationship between social net...
Article
Full-text available
Objective This research was designed to examine the contribution of self-reported experience and cue utilization to diagnostic accuracy in the context of radiology. Background Within radiology, it is unclear how task-related experience contributes to the acquisition of associations between features with events in memory, or cues, and how they cont...